Top 12 Open-Source Alternatives to Discourse

The top open-source alternatives to Discourse are Flarum, phpBB, and NodeBB. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Flarum Landing Page
1

Flarum

Flarum is the next-generation forum software that makes online discussion fun. It's simple, fast, and free.
Pricing:
- Open Source
#Forums And Forum Software #Forums #Community Platform 34 social mentions
phpBB Landing Page
2

phpBB

Raspberry Pi. The Raspberry Pi is a cheap, credit-card sized computer. The official website uses phpBB for their discussion forums. phpBB is not affiliated with nor responsible for any of the sites listed on the showcase.
Pricing:
- Open Source
#Forums And Forum Software #Forums #Community Platform 2 social mentions
NodeBB Landing Page
3

NodeBB

NodeBB Forum Software - A better community platform for the modern web. NodeBB is a next generation forum software that's free and easy to use.
Pricing:
- Open Source
#Forums And Forum Software #Forums #Community Platform 3 social mentions
MyBB Landing Page
4

MyBB

MyBB is a discussion board software that runs on PHP and MySQL
Pricing:
- Open Source
#Forums And Forum Software #Forums #Community Platform 8 social mentions
PunBB Landing Page
5

PunBB

PunBB is a fast and lightweight PHP-powered discussion board.
Pricing:
- Open Source
#Forums And Forum Software #Forums #Community Platform
Simple Machines Forum Landing Page
6

Simple Machines Forum

Simple Machines offers free open source software such as SMF, the powerful and easy to use community forum written in PHP. Start interesting discussions on your website!
Pricing:
- Open Source
#Forums And Forum Software #Forums #Community Platform 4 social mentions
FluxBB Landing Page
7

FluxBB

FluxBB is a fast, light, user-friendly forum application for your website.
Pricing:
- Open Source
#Forums And Forum Software #Forums #Community Platform 3 social mentions
BuddyPress Landing Page
8

BuddyPress

WordPress social networking in a box.
Pricing:
- Open Source
#Social Network #Social Networks #Project Management 15 social mentions
PHPBack Landing Page
9

PHPBack

Open source customer feedback software
Pricing:
- Open Source
#Help Desk #Customer Support #Forums And Forum Software
PluXml Landing Page
10

PluXml

PluXml is a script helping you to create a site or a blog.
Pricing:
- Open Source
#Blogging #Blogging Platform #CMS
Diaspora Landing Page
11

Diaspora

The online social world where you are in control.
Pricing:
- Open Source
#Social Network #Decentralised Social Network #Social Networks 29 social mentions
Public Community Landing Page
12

Public Community

We help brands build their own social network. Fully self-hosted & no monthly fees.
Pricing:
- Open Source
- Paid
- $300.0 / One-off (Hosted on your server. No monthly fees.)
#Community Platform #Forums And Forum Software #Forums 1 user reviews